EP4145667B1 - Vorrichtung und verfahren zur steuerung der ausgabe eines parallelen mehrstückmoduls - Google Patents

Vorrichtung und verfahren zur steuerung der ausgabe eines parallelen mehrstückmoduls

Info

Publication number
EP4145667B1
EP4145667B1 EP21846966.6A EP21846966A EP4145667B1 EP 4145667 B1 EP4145667 B1 EP 4145667B1 EP 21846966 A EP21846966 A EP 21846966A EP 4145667 B1 EP4145667 B1 EP 4145667B1
Authority
EP
European Patent Office
Prior art keywords
pack
power
battery packs
battery
parallel multi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21846966.6A
Other languages
English (en)
French (fr)
Other versions
EP4145667A4 (de
EP4145667A1 (de
Inventor
Young-jun KO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
LG Energy Solution Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Energy Solution Ltd filed Critical LG Energy Solution Ltd
Publication of EP4145667A1 publication Critical patent/EP4145667A1/de
Publication of EP4145667A4 publication Critical patent/EP4145667A4/de
Application granted granted Critical
Publication of EP4145667B1 publication Critical patent/EP4145667B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389—Measuring internal impedance, internal conductance or related variables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/14—Preventing excessive discharging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/15—Preventing overcharging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • G01R31/387—Determining ampere-hour charge capacity or SoC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H02J7/82—Control of state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/94—Regulation of charging or discharging current or voltage in response to battery current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/96—Regulation of charging or discharging current or voltage in response to battery voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/12—Bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present disclosure relates to a power control apparatus and method, and more particularly, to a power control apparatus and method capable of preventing overcharge or overdischarge of a battery pack having a relatively low resistance in a parallel multi pack module in which a plurality of battery packs are connected in parallel.
  • the application field of batteries is gradually increasing not only to mobile devices such as cellular phones, laptop computers, smart phones and smart pads, but also electric-driven vehicles (EVs, HEVs, PHEVs), large-capacity energy storage systems (ESS), or the like.
  • EVs electric-driven vehicles
  • HEVs HEVs
  • PHEVs PHEVs
  • ESS large-capacity energy storage systems
  • a battery module mounted to an electric-driven vehicle includes an n number of battery packs connected in parallel to secure a high energy capacity, and each battery pack includes a plurality of battery cells connected in series.
  • the module in which the n number of battery packs are connected in parallel will be referred to as a parallel multi pack module.
  • the battery cell may include one unit cell or a plurality of unit cells connected in parallel.
  • the unit cell refers to one independent cell that has a negative electrode terminal and a positive electrode terminal and is physically separable.
  • one pouch-type lithium polymer cell may be regarded as a unit cell.
  • the total power of the parallel multi pack module is determined based on a battery pack with a lowest available power among the battery packs connected in parallel for safety. That is, the value obtained by multiplying a minimum available power among the available power values of the battery packs by the number of battery packs becomes a total power of the parallel multi pack module.
  • the total power of the parallel multi pack module becomes is 5*1 kW (5 kW).
  • a management apparatus of the parallel multi pack module provides information on the total power (5 kW) to a control system of the electric-driven vehicle. Then, the control system adaptively distributes the power supplied to an inverter or a DC/DC converter and the power supplied to an ADAS (Advanced Driver Assistance System) unit, which supports functions of lane departure prevention, front collision warning or the like, and an electrical equipment unit so that the power consumed by the electric-driven vehicle does not exceed 5 kW. In this way, the power is distributed within the range of total power provided by the management apparatus of the parallel multi pack module, which is called a power guideline.
  • ADAS Advanced Driver Assistance System
  • a pack power (P k ) of each battery pack is automatically distributed by a resistance ratio R total /R pack,k between a pack resistance (R pack,k ) of the corresponding battery pack and a total resistance (R total ) of the parallel multi pack module according to the circuit theory. That is, the pack power (P pack,k ) of each battery pack is P total *R total /R pack,k .
  • k is an index of the battery pack.
  • the multi pack management unit may be configured to periodically receive a measured voltage value and a measured current value of each battery pack from the first to n th sensor units, and determine an average ratio of a voltage change to a current change calculated from the measured current values and the measured voltage values of the first to n th battery packs by means of linear regression analysis as the pack resistance of the first to n th battery packs.
  • the multi pack management unit may be configured to determine a state of charge (SOC) of the first to n th battery packs based on the operation characteristic value of each battery pack received from the first to n th sensor units, determine an available power corresponding to the SOCs of the first to n th battery packs with reference to a predefined SOC-available power look-up table, and determine a minimum value among the available powers as the minimum available power.
  • SOC state of charge
  • the total power (P total ) of the parallel multi pack module may be calculated using the following equation.
  • P total min P pack , k * I total / max I pack , k (k is an integer from 1 to n; min(P pack,k ) corresponds to a minimum available power among the available powers of the first to n th battery packs; I total corresponds to a summed current value for the measured current values of the first to n th battery packs; and max(I pack,k ) corresponds to a maximum current value among the measured current values of the first to n th battery packs)
  • the secondary battery should be interpreted as being included in the category of the lithium secondary battery.
  • a power control apparatus 10 is a device for controlling a power of a parallel multi pack module MP in which a plurality of battery packs P1 to Pn are connected in parallel, and the power control apparatus 10 adaptively controls a total power (P total ) of the parallel multi pack module MP to prevent some of the battery packs having relatively low pack resistance from being overcharged or overdischarged.
  • Each of the first to n th switch units S1 to Sn includes a low-potential switch and a high-potential switch. That is, the first switch unit S1 includes a first high-potential switch S1 + installed at a high-potential side of the first battery pack P1 and a first low-potential switch S1 - installed at a low-potential side of the first battery pack P1.
  • the second switch unit S2 includes a second high-potential switch S2 + installed at a high-potential side of the second battery pack P2 and a second low-potential switch S2 - installed at a low-potential side of the second battery pack P2.
  • the third switch unit S3 includes a third high-potential switch S3 + installed at a high-potential side of the third battery pack P3 and a third low-potential switch S3 - installed at a low-potential side of the third battery pack P3.
  • the n th switch unit Sn includes an n th high-potential switch Sn + installed at a high-potential side of the n th battery pack Pn and an n th low-potential switch Sn - installed at a low-potential side of the n th battery pack Pn.
  • the switch employed at the first to n th switch units S1 to Sn may be a relay switch.
  • the first to n th switch units S1 to Sn may be a semiconductor switch such as a MOSFET or a power semiconductor switch, but the present disclosure is not limited thereto.
  • the first current sensor I1 outputs a measured current value (I pack,1 ) of the first battery pack P1 flowing through the first power line C1 included in the first battery pack P1.
  • the second current sensor I2 outputs a measured current value (I pack,2 ) of the second battery pack P2 flowing through the second power line C2 included in the second battery pack P2.
  • the third current sensor I3 outputs a measured current value (I pack,3 ) of the third battery pack P3 flowing through the third power line C3 included in the third battery pack P3.
  • first to n th current sensors I1 to In are included in the battery packs, respectively.
  • the first to n th current sensors I1 to In may also be installed outside the battery packs, without limitation.
  • the power control apparatus 10 also includes first to n th voltage sensors V1 to Vn.
  • the first voltage sensor V1 outputs a measured voltage value (V pack,1 ) of the first battery pack P1 corresponding to a potential difference between the positive electrode and the negative electrode of the first battery pack P1.
  • the second voltage sensor V2 outputs a measured voltage value (V pack,2 ) of the second battery pack P2 corresponding to a potential difference between the positive electrode and the negative electrode of the second battery pack P2.
  • the third voltage sensor V3 outputs a measured voltage value (V pack,3 ) of the third battery pack P3 corresponding to a potential difference between the positive electrode and the negative electrode of the third battery pack P3.
  • the first to n th voltage sensors V1 to Vn include a voltage measurement circuit such as a differential amplifier circuit. Since the voltage measurement circuit is well known in the art, the voltage measurement circuit will not be described in detail here.
  • the power control apparatus 10 also includes first to n th temperature sensors T1 to Tn.
  • the first temperature sensor T1 outputs a measured temperature value (T pack,1 ) of the first battery pack P1 indicating a surface temperature of a cell located at a predetermined position, for example at a center, of the first battery pack P1.
  • the second temperature sensor T2 outputs a measured temperature value (T pack,2 ) of the second battery pack P2 indicating a surface temperature of a cell located at a predetermined position, for example at a center, of the second battery pack P2.
  • the third temperature sensor T3 outputs a measured temperature value (T pack,3 ) of the third battery pack P3 indicating a surface temperature of a cell located at a predetermined position, for example at a center, of the third battery pack P3.
  • the n th temperature sensor Tn outputs a measured temperature value (T pack,n ) of the n th battery pack Pn indicating a surface temperature of a cell located at a predetermined position, for example at a center, of the n th battery pack Pn.
  • the fourth to n-1 th temperature sensors output measured temperature values of the fourth to n-1 th battery packs, respectively.
  • the power control apparatus 10 also includes a multi pack management unit 20 operatively coupled to the first to n th switch units S1 to Sn and the first to n th sensor units SU1 to SUn.
  • the multi pack management unit 20 may be operatively coupled with a power management unit 40 of the electric-driven vehicle E, which manages the power consumed in the load L.
  • the power management unit 40 may adaptively manage the magnitude of power consumed in the load L to be suitable for the total power of the parallel multi pack module MP.
  • the total power means a total discharging power of the parallel multi pack module MP.
  • the multi pack management unit 20 turns on the external switch unit M to initiate discharging of the parallel multi pack module MP.
  • an M+ signal and an M- signal output from the multi pack management unit 20 represent signals that control the on/off operation of the external high-potential switch M+ and the external low-potential switch M-, respectively.
  • S1 to Sn signals output from the multi pack management unit 20 represent signals that controls the on/off operation of the first to n th switch units S1 to Sn.
  • the multi pack management unit 20 also controls the operation of the current sensors I1 to In, the voltage sensors V1 to Vn and the temperature sensors T1 to Tn included in the first to n th sensor units SU1 to SUn while the parallel multi pack module MP is being discharged, and periodically records the operation characteristic value of each battery pack received from the current sensors I1 to In, the voltage sensors V1 to Vn and the temperature sensors T1 to Tn in a storage unit 50.
  • the multi pack management unit 20 may also determine a SOC (State Of Charge) of each battery pack based on the operation characteristic values of the first to n th battery packs P1 to Pn.
  • SOC State Of Charge
  • the multi pack management unit 20 may adaptively determine the SOH of the first to n th battery packs P1 to Pn using the extended Kalman filter while the parallel multi pack module MP is being discharged.
  • the multi pack management unit 20 may determine the SOH of the first to n th battery packs P1 to Pn by inputting the operation characteristic value of each battery pack received from the first to n th sensor units SU1 to SUn into the extended Kalman filter coded in software.
  • the SOH estimation using the extended Kalman filter is disclosed in, for example, Korean Patent Registration No. 10-0818520 , entitled “Apparatus, method, system and recording medium for estimating a current state and current parameters of an electrochemical cell", which may be incorporated as part of this specification.
  • the multi pack management unit 20 may determine a pack resistance (R pack,k ; k is a battery pack index) of each battery pack based on the operation characteristic values of the first to n th battery packs P1 to Pn and record the same in the storage unit 50.
  • R pack,k is a battery pack index
  • the multi pack management unit 20 may refer to the present measured temperature value and SOC for each battery pack recorded in the storage unit 50 while the parallel multi pack module MP is being discharged to determine a pack resistance (R pack,k ) corresponding to the measured temperature value and SOC by looking up a SOC-temperature-pack resistance look-up table, and record the same in the storage unit 50.
  • the SOC-temperature-pack resistance look-up table has a data structure capable of looking up the pack resistance corresponding to SOC and temperature, and the SOC-temperature-pack resistance look-up table may be defined in advance and recorded in the storage unit 50.
  • FIG. 2 is a diagram showing an example of a pack resistance-available power look-up table according to an embodiment of the present disclosure.
  • the pack resistance-available power look-up table has a data structure capable of looking up the available power using the pack resistance, and may be defined in advance and recorded in the storage unit 50. It is preferable that the pack resistance-available power look-up table is provided independently according to the temperature of the battery pack. In this case, it may be considered that the available power varies according to the temperature of the battery pack.
  • the multi pack management unit 20 may identify the pack resistance-available power look-up table that is to be looked up using the measured temperature value of each battery pack, and determine the available power (P pack,k ) corresponding to the pack resistance (R pack,k ) using the identified look-up table.
  • the pack resistance-available power look-up table may be provided independently for each SOH and temperature of the battery pack. In this case, it may be considered that the available power varies according to the temperature and SOH of the battery pack.
  • the multi pack management unit 20 may identify the pack resistance-available power look-up table that is to be looked up using the measured temperature value and SOH of each battery pack, and determine the available power (P pack,k ) corresponding to the pack resistance (R pack,k ) of each battery pack using the identified look-up table.
  • the multi pack management unit 20 may determine the available power for each battery pack using the I-V profile generated when determining the pack resistance (R pack,k ) of each battery pack.
  • FIG. 3 is a graph showing an example of an I-V profile according to an embodiment of the present disclosure.
  • the voltage at an intersection point where the I-V profile meets a V axis is an OCV (Open Circuit Voltage) corresponding to the SOC of the battery pack.
  • Diamond dot marks indicate a plurality of measured voltage values and a plurality of measured current values measured when the parallel multi pack module MP is being discharged.
  • triangle dot marks indicate a plurality of measured voltage values and a plurality of measured current values measured when the parallel multi pack module MP is being charged.
  • the I-V profile is a straight line generated by means of linear regression analysis for the plurality of measured voltage values and the plurality of measured current values. When the battery pack is being discharged, the measured current value is a positive value, and when the battery pack is being charged, the measured current value is a negative value.
  • the absolute value of the slope of the I-V profile corresponds to the pack resistance (R pack,k ) of the battery pack.
  • the multi pack management unit 20 also adaptively determines the total power of the parallel multi pack module MP so that the pack power of the battery pack having a lowest pack resistance is identical to the minimum available power, and records the same in the storage unit 50.
  • the multi pack management unit 20 may determine the total power (P total ) of the parallel multi pack module MP using Equation 1 below.
  • k is an integer from 1 to n.
  • the pack power means an actual power that each battery pack can provide when the parallel multi pack module MP is discharged, and it is a factor determined by the ratio of the pack resistance of each battery pack to the total resistance of the parallel multi pack module MP.
  • V is an output voltage of the parallel multi pack module MP, and it may be substantially the same as the measured voltage values (V pack,1 to V pack,n ) of the first to n th battery packs P1 to Pn when the parallel multi pack module MP is being discharged or charged.
  • Equation 2 'V/max(I pack,k )' corresponds to min(R pack,k ), which is a minimum resistance among the pack resistances of the first to n th battery packs P1 to Pn. This is because a maximum current flows through a battery pack having a minimum resistance when the output voltage of the parallel multi pack module MP is V.
  • 'V/I total ' corresponds to R total , which is a total resistance of the parallel multi pack module MP. Therefore, Equation 2 may be converted into Equation 3.
  • P total min P pack , k * min R pack , k / R total
  • R total is an equivalent resistance to the pack resistances of the first to n th battery packs P1 to Pn connected in parallel, and corresponds to a total resistance of the parallel multi pack module MP.
  • the pack resistances (R pack,k ) of the first to n th battery packs P1 to Pn and the total resistance R total of the -parallel multi pack module MP satisfy Equation 4 below.
  • Equation 3 may be converted into an equation including the total power min(P pack,k )*n of the parallel multi pack module MP determined according to the prior art as in Equation 5 below.
  • the pack power means an actual power of each battery pack when the parallel multi pack module MP is discharged.
  • the actual power may be calculated by multiplying the total power (P total ) of the parallel multi pack module MP by the ratio (R total /R pack,k ) of the pack resistance (R pack,k ) of each battery pack to the total resistance (R total ) of the parallel multi pack module MP.
  • the total power of the parallel multi pack module MP determined according to the present disclosure is smaller than the total power determined from the minimum available power of the first to n th battery packs P1 to Pn by [min(P pack,k )*n]*[1-min(P pack,k )/max(P pack,k )].
  • pack power (P pack,Rmin ) of the battery pack having a lowest pack resistance is calculated using the total power (P total ) determined by Equation 5, it is equal to the minimum available power among the available powers of the first to n th battery packs P1 to Pn as in Equation 6. Therefore, it is possible to fundamentally prevent the phenomenon that the battery pack having a lowest pack resistance is overcharged or overdischarged while the parallel multi pack module MP is being discharged.
  • the pack power (P pack,Rmin ) of the battery pack having a lowest pack resistance (R pack,k ) becomes equal to min(P pack,k ), which is a minimum available power.
  • the multi pack management unit 20 may transmit information on the total power (P total ) to the power management unit 40 of the electric-driven vehicle E through the communication unit 30.
  • the power management unit 40 adaptively distributes the power supplied to an inverter or a DC/DC converter corresponding to the load L and the power supplied to an electrical equipment unit and an ADAS (Advanced Driver Assistance System) unit, which supports functions of lane departure prevention, front collision warning or the like, so as not to exceed the total power (P total ) of the parallel multi pack module MP.
  • ADAS Advanced Driver Assistance System
  • the power management unit 40 may adaptively adjust the magnitude of the charging voltage and the charging current provided to the parallel multi pack module MP so as not to exceed the total power (P total ) determined by Equation 1 while the parallel multi pack module MP is being charged using the charging device.
  • the type of the storage unit 50 is a storage medium capable of recording and erasing information.
  • the storage unit 50 may be a RAM, a ROM, an EEPROM, a register, or a flash memory.
  • the storage unit 50 may also be electrically connected to the multi pack management unit 20 through, for example, a data bus so as to be accessed by the multi pack management unit 20.
  • the storage unit 50 also stores and/or updates and/or erases and/or transmits a program including various control logics performed by the multi pack management unit 20, and/or data generated when the control logic is executed and look-up tables and parameters defined in advance.
  • the storage unit 50 may be logically divided into two or more parts and may be included in the multi pack management unit 20 without limitation.
  • the multi pack management unit 20 and/or the power management unit 40 may optionally include a processor, an application-specific integrated circuit (ASIC), another chipset, a logic circuit, a register, a communication modem, a data processing device, or the like, known in the art to execute the various control logics described above.
  • the control logic when the control logic is implemented in software, the multi pack management unit 20 and/or the power management unit 40 may be implemented as a set of program modules.
  • the program module may be stored in a memory and executed by a processor.
  • the memory may be provided inside or outside the processor and be connected to the processor through various well-known computer components. Also, the memory may be included in the storage unit 50 of the present disclosure.
  • the memory refers to a device in which information is stored, regardless of the type of device, and does not refer to a specific memory device.
  • one or more of the various control logics of the multi pack management unit 20 and/or the power management unit 40 may be combined, and the combined control logics may be written in a computer-readable code system and recorded in a computer-readable recording medium.
  • the recording medium is not particularly limited as long as it is accessible by a processor included in a computer.
  • the storage medium includes at least one selected from the group consisting of a ROM, a RAM, a register, a CD-ROM, a magnetic tape, a hard disk, a floppy disk and an optical data recording device.
  • the code scheme may be distributed to a networked computer to be stored and executed therein.
  • functional programs, codes and code segments for implementing the combined control logics may be easily inferred by programmers in the art to which the present disclosure belongs.
  • the power control apparatus 10 may be included in a battery management system 100 as shown in FIG. 5 .
  • the battery management system 100 controls the overall operation related to charging and discharging of a battery, and is a computing system called a battery management system (BMS) in the art.
  • BMS battery management system
  • FIG. 4 is a flowchart for illustrating a method for controlling power of a parallel multi pack module MP according to an embodiment of the present disclosure.
  • Step S10 the multi pack management unit 20 determines whether the parallel multi pack module MP is in a discharge state. To this end, the multi pack management unit 20 may monitor measured current values (I pack,1 to I pack,n ) measured using the first to n th current sensors I1 to In. If the measured current values (I pack,1 to I pack,n ) are positive rather than 0, it may be determined that the parallel multi pack module MP is being discharged. If the determination result of Step S10 is YES, the multi pack management unit 20 proceeds to Step S20.
  • Step S20 the multi pack management unit 20 controls the first to n th sensor units SU1 to SUn to receive the operation characteristic values of the first to n th battery packs P1 to Pn from the first to n th sensor units SU1 to SUn, and records the same in the storage unit 50.
  • the operation characteristic value includes measured voltage values (V pack,1 to V pack,n ), measured current values (I pack,1 to I pack,n ) and measured temperature values (T pack,1 to T pack,n ) of each battery pack.
  • Step S30 proceeds after Step S20.
  • Step S30 the multi pack management unit 20 determines SOC and SOH of each battery pack.
  • the method of determining SOC and SOH has already been described above.
  • Step S40 proceeds after Step S30.
  • Step S40 the multi pack management unit 20 determines the pack resistances (R pack,k ) of the first to n th battery packs P1 to Pn, respectively, based on the operation characteristic value of each battery pack received from the first to n th sensor units SU1 to SUn.
  • the multi pack management unit 20 may generate an I-V profile for a plurality of measured voltage values and a plurality of measured current values recently sampled based on the present time point by means of linear regression analysis, and calculate the pack resistance (R pack,k ) of each battery pack from a slope of the I-V profile.
  • Step S50 proceeds after Step S40.
  • Step S50 the multi pack management unit 20 determines an n number of available powers (P pack,k ) corresponding to the pack resistance (R pack,k ) of each battery pack using a pre-defined correlation between pack resistance and available power, and determines a minimum available power (min(P pack,k )) among the n number of available powers.
  • the multi pack management unit 20 may look up an available power (P pack,k ) corresponding to the pack resistance (R pack,k ) of each battery pack using the pack resistance-available power look-up table recorded in advance in the storage unit 50.
  • the multi pack management unit 20 may determine an available power (P pack,k ) of each battery pack by looking up an available power corresponding to the SOC of each battery pack with reference to the SOC-available power look-up table using the SOC of each battery pack.
  • the SOC-available power look-up table may be defined according to the SOH and temperature of the battery pack.
  • the multi pack management unit 20 may identify the SOC-available power look-up table corresponding to the SOH and the measured temperature value of each battery pack, and determine an available power of each battery pack with reference to the identified look-up table.
  • Step S60 proceeds after Step S50.
  • Step S60 the multi pack management unit 20 determines the total power (P total ) of the parallel multi pack module so that the pack power of the battery pack having a lowest pack resistance (R pack,k ) is identical to the minimum available power using Equation 1 above.
  • the multi pack management unit 20 may determine the total power (P total ) using the maximum value max(I pack,k ) among the measured current values (I pack,1 to I pack,n ) of the first to n th battery packs P1 to Pn and the summed current value (I total ) of the measured current values (I pack,1 to I pack,n ).
  • the total power (P total ) attenuated than the total power determined by the prior art may be reliably measured.
  • the total power P total has a magnitude attenuated by [min(P pack,k )*n]*[1-min(P pack,k )/max(P pack,k )] compared to the total power calculated according to the prior art.
  • Step S70 proceeds after Step S60.
  • the power management unit 40 adaptively distributes the power supplied to an inverter or a DC/DC converter corresponding to the load L and the power supplied to an electrical equipment unit and an ADAS (Advanced Driver Assistance System) unit, which supports functions of lane departure prevention, front collision warning or the like, so as not to exceed the total power (P total ) of the parallel multi pack module MP determined by Equation 1.
  • ADAS Advanced Driver Assistance System
  • Step S90 proceeds after Step S80.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Claims (14)

  1. Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP), umfassend:
    erste bis n-te Sensoreinheiten (SU1... SUn), welche dazu eingerichtet sind, Betrieb-Charakteristik-Werte zu messen, welche gemessene Stromwerte von ersten bis n-ten Batteriepacks (P1...Pn) umfassen, welche in dem parallelen Multipackmodul (MP) umfasst sind und miteinander parallel geschalten sind;
    eine Leistungsverwaltungseinheit (40), welche dazu eingerichtet ist, eine Leistung, welche in einer Last (L) verbraucht ist, oder eine Leistung zu steuern, welche dem parallelen Multipackmodul (MP) durch eine Ladevorrichtung bereitgestellt ist, um einer gesamten Leistung des parallelen Multipackmoduls zu entsprechen; und
    eine Multipackverwaltungseinheit (20), welche mit den ersten bis n-ten Sensoreinheiten und der Leistungsverwaltungseinheit (40) betriebsfähig gekoppelt ist,
    wobei die Multipackverwaltungseinheit (20) dazu eingerichtet ist, eine minimale verfügbare Leistung unter den verfügbaren Leistungen der ersten bis n-ten Batteriepacks (P1...Pn) zu bestimmen, auf Grundlage der Betrieb-Charakteristik-Werte der ersten bis n-ten Batteriepacks (P1... Pn), welche von den der ersten bis n-ten Sensoreinheiten (SU1... SUn) erhalten sind, eine gesamte Leistung des parallelen Multipackmoduls (MP) von der minimalen verfügbaren Leistung und einem Verhältnis eines summierten Stromwerts zu einem maximalen Stromwert unter den gemessenen Stromwerten der ersten bis n-ten Batteriepacks (P1... Pn) zu bestimmen, und einen Wert der bestimmten gesamten Leistung des parallelen Multipackmoduls (MP) zu der Leistungsverwaltungseinheit (40) zu übertragen, und
    die Leistungsverwaltungseinheit (40) dazu eingerichtet ist, die Leistung, welche in der Last (L) verbraucht ist, oder die Leistung zu steuern, welche dem parallelen Multipackmodul (MP) durch die Ladevorrichtung bereitgestellt ist, um der gesamten Leistung des parallelen Multipackmoduls (MP) zu entsprechen.
  2. Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 1, wobei die Betrieb-Charakteristik-Werte ferner gemessene Spannungswerte der ersten bis n-ten Batteriepacks (P1... Pn) umfassen, und
    die Multipackverwaltungseinheit (20) eingerichtet ist, zum:
    Bestimmen von Packwiderständen der ersten bis n-ten Batteriepacks (P1... Pn) von den gemessenen Stromwerten und den gemessenen Spannungswerten der ersten bis n-ten Batteriepacks (P1...Pn),
    Bestimmen einer verfügbaren Leistung, welche dem Packwiderstand in Bezug auf eine vorbestimmte packwiderstandsverfügbare Leistungsnachschlagetabelle für jedes Batteriepack entspricht, und
    Bestimmen eines minimalen Wertes unter den verfügbaren Leistungen als die minimale verfügbare Leistung.
  3. Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 2, wobei die Multipackverwaltungseinheit (20) eingerichtet ist, zum:
    periodischen Erhalten eines gemessenen Spannungswertes und eines gemessenen Stromwertes jedes Batteriepacks von den ersten bis n-ten Sensoreinheiten (SU1... SUn), und
    Bestimmen eines Durchschnittsverhältnisses einer Spannungsänderung zu einer Stromänderung, welche aus den gemessenen Stromwerten und den gemessenen Spannungswerten der ersten bis n-ten Batteriepacks (P1... Pn) mit Hilfe einer linearen Regressionsanalyse berechnet ist, als den Packwiderstand der ersten bis n-ten Batteriepacks (P1...Pn).
  4. Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 1, wobei die Multipackverwaltungseinheit (20) eingerichtet ist, zum:
    Bestimmen eines Ladezustands, SOC, der ersten bis n-ten Batteriepacks (P1...Pn) auf Grundlage des Betrieb-Charakteristik-Wertes jedes Batteriepacks, welcher von den ersten bis n-ten Sensoreinheiten (SU1... SUn) erhalten ist,
    Bestimmen einer verfügbaren Leistung, welche den SOCs der ersten bis n-ten Batteriepacks (P1...Pn) in Bezug auf eine vordefinierte SOC-verfügbare Leistungsnachschlagetabelle entspricht, und
    Bestimmen eines minimalen Wertes unter den verfügbaren Leistungen als die minimale verfügbare Leistung.
  5. Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 1, wobei die Multipackverwaltungseinheit (20) dazu eingerichtet ist, die gesamte Leistung, Ptotal, des parallelen Multipackmoduls (MP) unter Verwendung der folgenden Gleichung zu berechnen: P total = min P pack , k * I total / max I pack , k wobei k eine ganze Zahl von 1 bis n ist; min(Ppack,k) einer minimalen verfügbaren Leistung unter den verfügbaren Leistungen der ersten bis n-ten Batteriepacks entspricht; Itotal einem summierten Stromwert für die gemessenen Stromwerte der ersten bis n-ten Batteriepacks entspricht; und max(Ipack,k) einem maximalen Stromwert unter den gemessenen Stromwerten der ersten bis n-ten Batteriepacks (P1...Pn) entspricht.
  6. Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 1, ferner umfassend:
    eine Kommunikationseinheit (30), welche zwischen die Multipackverwaltungseinheit (20) und die Leistungsverwaltungseinheit (40) eingefügt ist.
  7. Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 6, wobei das parallele Multipackmodul (MP) an einem elektrisch angetriebenen Fahrzeug angebracht ist, und
    die Leistungsverwaltungseinheit (40) in einem Steuersystem des elektrisch angetriebenen Fahrzeugs umfasst ist.
  8. Batterieverwaltungssystem, umfassend die Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 1.
  9. Elektrischer Antriebsmechanismus, umfassend die Vorrichtung (10) zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 1.
  10. Verfahren zum Steuern einer Leistung eines parallelen Multipackmoduls (MP), umfassend:
    (a) Bereitstellen von ersten bis n-ten Sensoreinheiten (SU1... SUn), welche dazu eingerichtet sind, Betrieb-Charakteristik-Werte zu messen, welche gemessene Stromwerte von ersten bis n-ten Batteriepacks (P1...Pn) umfassen, welche in dem parallelen Multipackmodul (MP) umfasst werden und miteinander parallel geschalten werden;
    (b) Bestimmen (S50) einer verfügbaren Leistung von jeder der ersten bis n-ten Batteriepacks (P1...Pn) auf Grundlage der Betrieb-Charakteristik-Werte jedes Batteriepacks, welche von der ersten bis n-ten Sensoreinheiten (SU1... SUn) erhalten werden;
    (c) Bestimmen (S50) einer minimalen verfügbaren Leistung unter den verfügbaren Leistungen der ersten bis n-ten Batteriepacks (P1... Pn);
    (d) Bestimmen (S60) einer gesamten Leistung des parallelen Multipackmoduls (MP) von der minimalen verfügbaren Leistung und eines Verhältnisses eines summierten Stromwertes zu einem maximalen Stromwert unter den gemessenen Stromwerten der ersten bis n-ten Batteriepacks (P1... Pn); und
    (e) Steuern (S80) eines Ladens oder Entladens der ersten bis n-ten Batteriepacks (P1...Pn), um der gesamten Leistung des parallelen Multipackmoduls (MP) zu entsprechen.
  11. Verfahren zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 10, wobei die Betrieb-Charakteristik-Werte ferner gemessene Spannungswerte der ersten bis n-ten Batteriepacks (P1... Pn) umfassen, und
    der Schritt (d) umfasst:
    (b1) Bestimmen (S40) von Packwiderständen der ersten bis n-ten Batteriepacks (P1...Pn) von den gemessenen Stromwerten und den gemessenen Spannungswerten der ersten bis n-ten Batteriepacks,
    (b2) Bestimmen einer verfügbaren Leistung, welche dem Packwiderstand in Bezug auf eine vorbestimmte packwiderstandsverfügbare Leistungsnachschlagetabelle für jeden Batteriepack entspricht, und
    (b3) Bestimmen eines minimalen Wertes unter den verfügbaren Leistungen als die minimale verfügbare Leistung.
  12. Verfahren zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 11, wobei der Schritt (b) umfasst:
    (b1) periodisches Erhalten eines gemessenen Spannungswertes und eines gemessenen Stromwertes jedes Batteriepacks von den ersten bis n-ten Sensoreinheiten, und
    (b2) Bestimmen eines Durchschnittsverhältnisses einer Spannungsänderung zu einer Stromänderung, welche aus den gemessenen Stromwerten und den gemessenen Spannungswerten der ersten bis n-ten Batteriepacks (P1... Pn) mit Hilfe einer linearen Regressionsanalyse berechnet werden, als den Packwiderstand der ersten bis n-ten Batteriepacks (P1...Pn).
  13. Verfahren zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 10, wobei der Schritt (b) umfasst:
    (b1) Bestimmen (S30) eines SOC der ersten bis n-ten Batteriepacks (P1...Pn) auf Grundlage des Betrieb-Charakteristik-Wertes jedes Batteriepacks, welcher von den ersten bis n-ten Sensoreinheiten (SU1... SUn) erhalten wird,
    (b2) Bestimmen einer verfügbaren Leistung, welche den SOCs der ersten bis n-ten Batteriepacks (P1... Pn) in Bezug auf eine vordefinierte SOC-verfügbare Leistungsnachschlagetabelle entspricht, und
    (b3) Bestimmen eines minimalen Wertes unter den verfügbaren Leistungen als die minimale verfügbare Leistung.
  14. Verfahren zum Steuern einer Leistung eines parallelen Multipackmoduls (MP) nach Anspruch 10, wobei, in dem Schritt (d), die gesamte Leistung (Ptotal) des parallelen Multipackmoduls (MP) unter Verwendung der folgenden Gleichung berechnet wird: P total = min P pack , k ∗ I total / max I pack , k wobei k eine ganze Zahl von 1 bis n ist; min(Ppack,k) einer minimalen verfügbaren Leistung unter den verfügbaren Leistungen der ersten bis n-ten Batteriepacks (P1... Pn) entspricht; Itotal einem summierten Stromwert für die gemessenen Stromwerte der ersten bis n-ten Batteriepacks entspricht; und max(Ipack,k) einem maximalen Stromwert unter den gemessenen Stromwerten der ersten bis n-ten Batteriepacks (P1...Pn) entspricht.
EP21846966.6A 2020-07-21 2021-07-21 Vorrichtung und verfahren zur steuerung der ausgabe eines parallelen mehrstückmoduls Active EP4145667B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20200090585 2020-07-21
PCT/KR2021/009448 WO2022019664A1 (ko) 2020-07-21 2021-07-21 병렬 멀티 팩 모듈의 출력 제어 장치 및 방법

Publications (3)

Publication Number Publication Date
EP4145667A1 EP4145667A1 (de) 2023-03-08
EP4145667A4 EP4145667A4 (de) 2024-01-17
EP4145667B1 true EP4145667B1 (de) 2025-08-27

Family

ID=79729287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21846966.6A Active EP4145667B1 (de) 2020-07-21 2021-07-21 Vorrichtung und verfahren zur steuerung der ausgabe eines parallelen mehrstückmoduls

Country Status (8)

Country Link
US (1) US20230264596A1 (de)
EP (1) EP4145667B1 (de)
JP (1) JP7364162B2 (de)
KR (1) KR20220011601A (de)
CN (1) CN115004503B (de)
ES (1) ES3041706T3 (de)
HU (1) HUE073032T2 (de)
WO (1) WO2022019664A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102680305B1 (ko) * 2019-10-30 2024-06-28 주식회사 엘지에너지솔루션 병렬 멀티 팩 시스템의 출력 제어 장치 및 방법
KR20220100332A (ko) * 2021-01-08 2022-07-15 주식회사 엘지에너지솔루션 배터리 장치 및 전압 공급 방법
KR102640845B1 (ko) * 2021-01-19 2024-02-28 삼성에스디아이 주식회사 배터리 팩 및 배터리 팩의 제어 방법
EP4047380A1 (de) * 2021-02-18 2022-08-24 FRONIUS INTERNATIONAL GmbH Verfahren und system zur analyse eines elektrischen energiespeichers sowie energieversorgungssystem
DK4236008T3 (da) * 2021-09-27 2025-09-29 Contemporary Amperex Technology Hong Kong Ltd Fremgangsmåde til styring af batteriapparat og batteriapparat, system og medie
CN115954970B (zh) * 2022-12-21 2024-11-26 国广顺能(上海)能源科技有限公司 一种并联放电方法、存储介质及电子设备
CN116001643A (zh) * 2022-12-30 2023-04-25 成都赛力斯科技有限公司 电池保护方法及装置
KR20250140286A (ko) * 2024-03-18 2025-09-25 삼성전자주식회사 배터리 상태 계산 시스템 및 이를 포함하는 전자 기기

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3872758B2 (ja) * 2003-01-08 2007-01-24 株式会社日立製作所 電源制御装置
US8103485B2 (en) * 2004-11-11 2012-01-24 Lg Chem, Ltd. State and parameter estimation for an electrochemical cell
JP4703593B2 (ja) * 2007-03-23 2011-06-15 株式会社豊田中央研究所 二次電池の状態推定装置
JP5331493B2 (ja) * 2009-01-13 2013-10-30 日立ビークルエナジー株式会社 電池制御装置
KR101108181B1 (ko) * 2009-11-27 2012-01-31 삼성에스디아이 주식회사 배터리팩
JP5517692B2 (ja) * 2010-03-26 2014-06-11 三菱重工業株式会社 電池パックおよび電池制御システム
JP2011211790A (ja) * 2010-03-29 2011-10-20 Toyota Motor Corp 蓄電システム
JP5640474B2 (ja) * 2010-06-07 2014-12-17 ソニー株式会社 電池システム
JP5585308B2 (ja) * 2010-08-26 2014-09-10 日産自動車株式会社 電池制御装置
US8901894B2 (en) * 2011-04-18 2014-12-02 Renesas Electronics America Inc. Battery management control method
WO2013002202A1 (ja) * 2011-06-29 2013-01-03 三洋電機株式会社 電池劣化判定装置
JP6300319B2 (ja) * 2012-02-29 2018-03-28 Ｎｅｃエナジーデバイス株式会社 電池制御システム、電池パック、および電子機器
FR2992929B1 (fr) * 2012-07-06 2014-06-20 Renault Sa Systeme de gestion de la charge d'une batterie et du freinage recuperatif d'un vehicule alimente au moins en partie par la batterie et procede de regulation associe
CN103884988B (zh) * 2012-12-21 2017-02-08 比亚迪股份有限公司 一种电池组故障检测装置及其检测方法
JP6260106B2 (ja) * 2013-04-25 2018-01-17 株式会社Ｇｓユアサ 蓄電装置
US9869724B2 (en) * 2013-07-24 2018-01-16 Rohm Co., Ltd. Power management system
KR20150029204A (ko) * 2013-09-09 2015-03-18 삼성에스디아이 주식회사 배터리 팩, 배터리 팩을 포함하는 장치, 및 배터리 팩의 관리 방법
JP6384482B2 (ja) * 2013-09-19 2018-09-05 東芝三菱電機産業システム株式会社 蓄電池システム
KR101664246B1 (ko) * 2013-11-29 2016-10-14 주식회사 엘지화학 배터리 랙에 포함된 전압 센서 보정 방법
KR20150081731A (ko) * 2014-01-06 2015-07-15 삼성에스디아이 주식회사 배터리 팩, 배터리 팩을 포함하는 에너지 저장 시스템, 배터리 팩의 작동 방법
CA3101535C (en) * 2014-03-26 2022-09-06 New Flyer Industries Canada Ulc Controlling batteries for electric bus
JP6264162B2 (ja) * 2014-04-04 2018-01-24 株式会社村田製作所 充電装置および充電制御方法、並びに、蓄電装置、電力貯蔵装置、電力システムおよび電動車両
US9869723B2 (en) * 2014-05-22 2018-01-16 Mediatek Inc. Power management scheme for separately and accurately measuring battery information of each of multiple batteries
KR102399722B1 (ko) * 2014-12-29 2022-05-19 삼성전자주식회사 전류 추정 방법 및 장치
KR101846642B1 (ko) * 2015-02-02 2018-04-06 주식회사 엘지화학 이차 전지의 저항 팩터 결정 방법, 상기 저항 팩터를 이용한 충전 출력 추정 장치 및 방법
KR101648893B1 (ko) * 2015-02-03 2016-08-17 삼성에스디아이 주식회사 배터리 팩 및 이의 제어방법
DE102015002148A1 (de) * 2015-02-18 2016-08-18 Audi Ag Verfahren zum Betreiben von Batteriezellen einer Batterie, Batterie sowie Kraftfahrzeug
US10293693B2 (en) * 2015-04-21 2019-05-21 Samsung Electronics Co., Ltd. Battery control method and apparatus, battery module, and battery pack
CN105262162B (zh) * 2015-09-30 2017-07-11 陈嘉贤 电池模块充放电控制方法及电池系统
KR102516355B1 (ko) * 2015-12-21 2023-03-31 삼성전자주식회사 배터리 제어 방법, 배터리 제어 장치, 및 배터리 팩
JP6183446B2 (ja) * 2015-12-25 2017-08-23 マツダ株式会社 リチウムイオン電池充放電制御装置
US10840722B2 (en) * 2016-01-27 2020-11-17 Vehicle Energy Japan, Inc. Battery control device
KR101876733B1 (ko) * 2016-02-16 2018-07-10 현대자동차주식회사 연료 전지 차량용 고전압 배터리의 출력 제어 방법 및 장치
JP6679342B2 (ja) * 2016-02-24 2020-04-15 Ntn株式会社 二次電池の劣化判定装置
CN108604715B (zh) * 2016-03-01 2021-04-23 株式会社村田制作所 电池组件和充放电控制方法
KR102038610B1 (ko) * 2016-12-05 2019-10-30 주식회사 엘지화학 배터리 관리 장치 및 방법
KR102123048B1 (ko) * 2017-01-10 2020-06-15 주식회사 엘지화학 에너지 절약 및 빠른 셀 밸런싱이 가능한 충전 제어 장치 및 방법
CN110710050B (zh) * 2017-06-08 2023-02-17 松下知识产权经营株式会社 蓄电系统、管理装置
CN107393466B (zh) * 2017-08-14 2019-01-15 深圳市华星光电半导体显示技术有限公司 耗尽型tft的oled外部补偿电路
JP6834864B2 (ja) * 2017-09-11 2021-02-24 トヨタ自動車株式会社 電池出力監視装置及び方法
US11043824B2 (en) * 2017-11-21 2021-06-22 Datalogic Ip Tech S.R.L. Method to charge a battery pack and battery charging circuit to charge a battery pack
CN112088455A (zh) * 2018-03-19 2020-12-15 埃夫奇普能源有限责任公司 电源包和电源包电路
KR102676719B1 (ko) * 2018-12-11 2024-06-18 현대자동차주식회사 친환경 차량용 고전압 배터리의 출력제어 시스템
US10981557B2 (en) * 2019-01-11 2021-04-20 GM Global Technology Operations LLC Battery pack balancing systems and control logic for multi-pack electric-drive motor vehicles
KR102608245B1 (ko) 2019-01-21 2023-11-29 삼성전자주식회사 전기 전도성 복합막, 그 제조 방법, 이를 포함하는 이차전지와 전자기기
JP7120062B2 (ja) * 2019-02-07 2022-08-17 トヨタ自動車株式会社 組電池の充放電制御装置および組電池の充放電制御方法
US10988049B2 (en) * 2019-05-16 2021-04-27 GM Global Technology Operations LLC Power management of high-current fast-charging battery
JP7573195B2 (ja) * 2019-07-18 2024-10-25 パナソニックＩｐマネジメント株式会社 管理装置、及び電源システム
KR102680305B1 (ko) * 2019-10-30 2024-06-28 주식회사 엘지에너지솔루션 병렬 멀티 팩 시스템의 출력 제어 장치 및 방법
CN111106648B (zh) * 2019-12-27 2021-08-27 北京兴达智联科技有限公司 一种多电池组并联放电运行的系统和方法
JP7508866B2 (ja) * 2020-06-03 2024-07-02 トヨタ自動車株式会社 電池システム
EP4175011A4 (de) * 2020-06-26 2024-05-15 Panasonic Intellectual Property Management Co., Ltd. Verwaltungsvorrichtung und stromversorgungssystem
EP4047380A1 (de) * 2021-02-18 2022-08-24 FRONIUS INTERNATIONAL GmbH Verfahren und system zur analyse eines elektrischen energiespeichers sowie energieversorgungssystem

Also Published As

Publication number Publication date
CN115004503B (zh) 2025-05-27
ES3041706T3 (en) 2025-11-13
KR20220011601A (ko) 2022-01-28
HUE073032T2 (hu) 2025-12-28
EP4145667A4 (de) 2024-01-17
JP7364162B2 (ja) 2023-10-18
JP2023509873A (ja) 2023-03-10
CN115004503A (zh) 2022-09-02
US20230264596A1 (en) 2023-08-24
WO2022019664A1 (ko) 2022-01-27
EP4145667A1 (de) 2023-03-08

Similar Documents

Publication Publication Date Title
EP4145667B1 (de) Vorrichtung und verfahren zur steuerung der ausgabe eines parallelen mehrstückmoduls
EP3982507B1 (de) Vorrichtung und verfahren zum auswuchten von parallel geschalteten batteriepacks
EP3605127B1 (de) Vorrichtung und verfahren zur schätzung des batteriewiderstands
EP2801837B1 (de) Vorrichtung und verfahren zur messung des isolationswiderstands einer batterie
EP3832326B1 (de) Vorrichtung zur diagnose eines batteriepacks
EP3929606A1 (de) Batterieverwaltungssystem, batteriepack, elektrofahrzeug und batterieverwaltungsverfahren
EP3985403B1 (de) Vorrichtung und verfahren zur diagnose eines fehlers einer in einem multibatteriepack enthaltenen schalteinheit
JP2020508629A (ja) バッテリーの容量の推定装置及び方法、これを備えるバッテリーの管理装置及び方法
US20210325477A1 (en) Device and method for determining state of battery pack
US10794961B2 (en) Internal state estimating device
EP3974247B1 (de) Vorrichtung und verfahren zur leistungssteuerung eines parallelen multipack-systems
EP3972074A1 (de) Vorrichtung und verfahren zur steuerung des einschaltvorgangs von in einem parallelen mehrbatteriepack enthaltenen schaltereinheiten
US20120276440A1 (en) Battery pack
JP2000134805A (ja) 組電池の充放電状態判定方法及び装置
KR20210058717A (ko) 멀티 배터리 팩에 포함된 스위치부의 고장 진단 장치 및 방법
JP2000356656A (ja) 電池の端子電圧検出装置
JP5154076B2 (ja) 組電池ならびにそれを用いる電池モジュールおよびハイブリッド自動車
JP3674465B2 (ja) 電気自動車用電池の最大充放電電力演算装置
WO2022030355A1 (ja) 蓄電装置、蓄電システム、内部抵抗推定方法及びコンピュータプログラム
KR102716979B1 (ko) 병렬 멀티 배터리 팩의 출력 제어 장치 및 방법
KR102828554B1 (ko) 이차 전지의 출력 파라미터를 조정하는 시스템 및 그 방법
KR102825262B1 (ko) 배터리 진단 장치 및 방법
KR102825276B1 (ko) 배터리 진단 장치 및 방법
US20250158423A1 (en) Battery system

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20221129

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20231219

RIC1 Information provided on ipc code assigned before grant

Ipc: B60L 58/18 20190101ALI20231213BHEP

Ipc: G01R 31/367 20190101ALI20231213BHEP

Ipc: G01R 31/387 20190101ALI20231213BHEP

Ipc: G01R 31/385 20190101ALI20231213BHEP

Ipc: H01M 10/42 20060101ALI20231213BHEP

Ipc: H01M 10/48 20060101ALI20231213BHEP

Ipc: H02J 7/00 20060101AFI20231213BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20250131

P01 Opt-out of the competence of the unified patent court (upc) registered

Free format text: CASE NUMBER: APP_6063/2025

Effective date: 20250205

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602021037401

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 3041706

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20251113

REG Reference to a national code

Ref country code: HU

Ref legal event code: AG4A

Ref document number: E073032

Country of ref document: HU

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20250827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251127

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251229

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250827

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251128

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250827

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251127

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1831173

Country of ref document: AT

Kind code of ref document: T

Effective date: 20250827